$96+ Cheap flights from Fresno to Ontario (FAT - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
FAT — ONT
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from Fresno to Ontario with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Fresno to Ontario
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Cheapest flights from Fresno to OntarioExplore the most affordable flight options available from Fresno to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from Fresno to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:28 pm -
1 stop20h 31m
Thu 10/12:30 pm -
1 stop17h 12m
Deal found 9/14![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:09 pm -
1 stop16h 00m
Sat 10/310:04 am -
1 stop4h 24m
Deal found 9/13![Multiple Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:30 pm -
2 stops5h 25m
Wed 10/214:15 pm -
1 stop5h 20m
Deal found 9/16![Southwest logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:06 pm -
1 stop13h 25m
Wed 10/145:25 pm -
1 stop14h 12m
Deal found 9/17![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:07 pm -
1 stop17h 24m
Fri 10/168:00 am -
1 stop6h 17m
Deal found 9/16![Multiple Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:50 am -
1 stop4h 55m
Fri 10/308:05 am -
1 stop6h 40m
Deal found 9/14![Southwest logo]()
$279
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:05 am -
1 stop4h 35m
Wed 10/74:15 pm -
1 stop5h 20m
Deal found 9/16![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:30 pm -
2 stops5h 25m
Fri 10/165:15 pm -
1 stop6h 20m
Deal found 9/16![Southwest logo]()
$296
Best flights from Fresno to OntarioDiscover carefully curated flight deals from Fresno to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Fresno to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:05 am -
2 stops7h 30m
Wed 10/73:10 pm -
2 stops5h 50m
Deal found 9/16![Southwest logo]()
$303
This Alaska Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/137:10 pm -
2 stops21h 55m
Fri 10/165:45 pm -
2 stops21h 02m
Deal found 9/18![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:55 am -
1 stop5h 27m
Sun 10/256:00 am -
1 stop5h 20m
Deal found 9/14![United Airlines logo]()
$377
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:30 pm -
2 stops5h 25m
Fri 10/161:30 pm -
1 stop3h 10m
Deal found 9/18![Southwest logo]()
$336
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/178:05 am -
2 stops7h 55m
Sun 10/187:15 pm -
1 stop5h 00m
Deal found 9/13![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:00 am -
1 stop6h 18m
Wed 10/211:24 pm -
1 stop7h 28m
Deal found 9/15![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:15 am -
1 stop6h 14m
Sun 11/86:00 am -
1 stop5h 20m
Deal found 9/13![United Airlines logo]()
$447
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:30 am -
1 stop3h 15m
Sun 10/255:10 pm -
2 stops7h 05m
Deal found 9/14![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:00 am -
1 stop7h 33m
Tue 11/179:25 am -
1 stop4h 03m
Deal found 9/14![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:00 am -
1 stop6h 18m
Sat 10/1711:10 am -
1 stop6h 36m
Deal found 9/16![United Airlines logo]()
$447
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:04 pm -
1 stop4h 47m
Thu 10/221:52 pm -
1 stop3h 54m
Deal found 9/17![United Airlines logo]()
$467
Last-minute flights from Fresno to OntarioDiscover last-minute flight deals from Fresno to Ontario. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Fresno to Ontario. Data last updated September 18, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/288:28 pm -
1 stop20h 31m
Thu 10/12:30 pm -
1 stop17h 12m
Deal found 9/14![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:09 pm -
1 stop16h 00m
Sat 10/310:04 am -
1 stop4h 24m
Deal found 9/13![Multiple Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/611:05 am -
1 stop4h 35m
Wed 10/74:15 pm -
1 stop5h 20m
Deal found 9/16![Southwest logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/129:06 pm -
1 stop13h 25m
Wed 10/145:25 pm -
1 stop14h 12m
Deal found 9/17![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:07 pm -
1 stop17h 24m
Fri 10/168:00 am -
1 stop6h 17m
Deal found 9/16![Multiple Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/133:30 pm -
2 stops5h 25m
Fri 10/165:15 pm -
1 stop6h 20m
Deal found 9/16![Southwest logo]()
$296
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:30 pm -
2 stops5h 25m
Wed 10/214:15 pm -
1 stop5h 20m
Deal found 9/16![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:50 am -
1 stop4h 55m
Fri 10/308:05 am -
1 stop6h 40m
Deal found 9/14![Southwest logo]()
$279
One-way flights from Fresno to OntarioSearch for one-way flight options from Fresno to Ontario. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from Fresno to Ontario. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:03 pm -
1 stop18h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/175:09 pm -
1 stop16h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$119
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:50 am -
1 stop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$123
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:30 pm -
2 stops5h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/189:42 am -
2 stops33h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$146
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:20 pm -
2 stops6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:14 pm -
1 stop5h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$168
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:20 pm -
2 stops6h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Southwest logo]()
$184
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:55 pm -
2 stops5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Southwest logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:32 pm -
1 stop18h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$195
Find flight deals from Fresno to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Fresno (FAT) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $235 (Kiwi.com) |
One-way from | $96 (Kiwi.com) |
Popular in | September |
Cheapest in | January |
Average price | $587 |
Cheapflights Fare Finder
Customize your flight search to find flights from Fresno to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
Use the filters below to find and compare flights from Fresno to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Wed 11/4
6:00 am-11:55 am
1 stop5h 55m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$123
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Wed 10/7
3:30 pm-8:55 pm
2 stops5h 25m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$141
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Fri 10/30
5:20 pm-11:50 pm
2 stops6h 30m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Thu 10/15
6:00 am-12:18 pm
1 stop6h 18m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
Quickest round-trip
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Thu 10/29
8:17 am-12:29 pm
1 stop4h 12m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Fri 1/8
12:01 pm-5:47 pm
1 stop5h 46m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Tue 10/27
5:00 am-12:33 pm
1 stop7h 33m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Sat 10/31
5:00 am-12:33 pm
1 stop7h 33m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Thu 10/22
6:00 am-12:18 pm
1 stop6h 18m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
FresnoOntario
FAT Fresno Airterminal - ONT Ontario
FATONT
Fresno Airterminal
Mon 10/26
8:17 am-12:29 pm
1 stop4h 12m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$224
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Fresno to Ontario
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Fresno to Ontario in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Fresno-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Fresno-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Fresno-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Fresno-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Fresno-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Fresno to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Fresno with our price prediction graph.
FAT-ONT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Fresno to Ontario
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated September 18, 2026.
Peruse reviews from past customers who have flown with United Airlines from Fresno to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Comfort
7.3
Food
6.7
Crew
8.1
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from Fresno to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Fresno to Ontario
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Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Fresno to Ontario by cabin class
Find flights from Fresno to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Fresno and Ontario flights
Browse other Fresno and Ontario flight options. Last updated on September 18, 2026.
Other flights from Fresno
Browse through other flights departing from Fresno. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Fresno to Ontario
Discover the top airline that operate flights from Fresno to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$290 | Average$411 | FlexibilityNo cancel fee | On-time69% |